A muscle Blank______ is a single contraction of a motor unit.Multiple choice question.ticdepolarizationcramptwitch

All of the muscle fibers innervated by a single nerve fiber constitute a Blank______.Multiple choice question.neuromuscular junctionfascicletendonmotor unit

A single motor neuron and the muscle fibers that it innervates is called a/an _________blank.Multiple Choicepostsynaptic unitaction potentialneuronal unitmotor unit

A spasm of the muscle of the face is called a facial Blank______.Multiple choice question.myastheniadystrophyticconvulsion

The fine, delicate movements of eye muscles are an example of muscles having Blank______ motor unit size.Multiple choice question.smalllarge

The orbicularis oris and buccinator muscles are both involved in Blank______.Multiple choice question.smilingfrowningmasticationkissing